/
factory.go
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/
factory.go
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// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package filestorage // import "github.com/open-telemetry/opentelemetry-collector-contrib/extension/storage/filestorage"
import (
"context"
"time"
"go.opentelemetry.io/collector/component"
"go.opentelemetry.io/collector/config"
)
// The value of extension "type" in configuration.
const typeStr component.Type = "file_storage"
const (
// use default bbolt value
// https://github.com/etcd-io/bbolt/blob/d5db64bdbfdee1cb410894605f42ffef898f395d/cmd/bbolt/main.go#L1955
defaultMaxTransactionSize = 65536
defaultReboundTriggerThresholdMib = 10
defaultReboundNeededThresholdMib = 100
defaultCompactionInterval = time.Second * 5
)
// NewFactory creates a factory for HostObserver extension.
func NewFactory() component.ExtensionFactory {
return component.NewExtensionFactory(
typeStr,
createDefaultConfig,
createExtension,
component.StabilityLevelBeta,
)
}
func createDefaultConfig() component.ExtensionConfig {
return &Config{
ExtensionSettings: config.NewExtensionSettings(component.NewID(typeStr)),
Directory: getDefaultDirectory(),
Compaction: &CompactionConfig{
Directory: getDefaultDirectory(),
OnStart: false,
OnRebound: false,
MaxTransactionSize: defaultMaxTransactionSize,
ReboundNeededThresholdMiB: defaultReboundTriggerThresholdMib,
ReboundTriggerThresholdMiB: defaultReboundNeededThresholdMib,
CheckInterval: defaultCompactionInterval,
},
Timeout: time.Second,
}
}
func createExtension(
_ context.Context,
params component.ExtensionCreateSettings,
cfg component.ExtensionConfig,
) (component.Extension, error) {
return newLocalFileStorage(params.Logger, cfg.(*Config))
}